也许它会帮助某人。
在我的情况下,主要问题是验证 ZF2 后返回空字符串作为标识符。
仅当默认值为 NULL https://github.com/doctrine/mongodb-odm/blob/master/lib/Doctrine/ODM/MongoDB/UnitOfWork.php#L1017时,Doctrine 才会生成新标识符。
我的代码的简化示例(见评论):
namespace Ageme\Project\Controller;
use Zend\Mvc\Controller\AbstractActionController;
use Zend\View\Model\ViewModel;
use Doctrine\ODM\MongoDB\DocumentManager;
class ProjectController extends AbstractActionController {
//...
protected function saveAction() {
/** @var DocumentManager $dm */
$request = $this->getRequest();
$route = $this->getEvent()->getRouteMatch();
$sm = $this->getServiceLocator();
$fm = $sm->get('FormElementManager');
$dm = $sm->get('doctrine.documentmanager.odm_default');
$project = ($project = $dm->find('Ageme\Project\Document\Project', $route->getParam('id')))
? $project
: $sm->get('Ageme\Project\Document\Project');
$form = $fm->get('Ageme\Project\Form\ProjectForm');
$form->bind($project);
if ($request->isPost()) {
$form->setData($request->getPost());
if ($form->isValid()) {
// after validation $project->getId() === '',
// but for new object must equal $project->getId() === null
$sm->get('ProjectService')->run('save', $project);
$this->flashMessenger()->addSuccessMessage('Project saved');
$this->redirect()->toRoute('default',
['controller' => $route->getParam('controller'), 'lang' => $route->getParam('lang')]
);
}
}
return new ViewModel([
'form' => $form,
]);
}
//...
}
我添加下一个过滤器来解决我的问题
namespace Ageme\Project\Form;
use Zend\Form\Fieldset;
use Zend\InputFilter\InputFilterProviderInterface;
use DoctrineModule\Persistence\ProvidesObjectManager;
use DoctrineModule\Persistence\ObjectManagerAwareInterface;
class ProjectFieldset
extends Fieldset
implements InputFilterProviderInterface, ObjectManagerAwareInterface {
use ProvidesObjectManager;
public function init() {
$this->setName('project')
->setAttributes(['id' => 'project']);
$this->add([
'type' => 'Zend\Form\Element\Hidden',
'name' => 'id'
]);
//...
}
public function getInputFilterSpecification() {
return [
'id' => [
'required' => true,
'allow_empty' => true,
'filters' => [
[
"name" => "Callback",
"options" => [
"callback" => function ($input) {
return $input ?: null; // this code return correct value
}
]
]
],
],
//...
];
}
}